local real_sha = require("bgcrypto.sha256")
local sha_proxy = {}

function sha_proxy:new()
  local fake_instance = {
    data = "",
  }

  function fake_instance:update(data)
    self.data = self.data .. data
  end

  function fake_instance:final()
    return real_sha.digest(self.data, true)
  end

  return fake_instance
end

return sha_proxy